CN103388816A - Oil field steam-injection boiler overheated steam injection system - Google Patents
Oil field steam-injection boiler overheated steam injection system Download PDFInfo
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- CN103388816A CN103388816A CN2013103224476A CN201310322447A CN103388816A CN 103388816 A CN103388816 A CN 103388816A CN 2013103224476 A CN2013103224476 A CN 2013103224476A CN 201310322447 A CN201310322447 A CN 201310322447A CN 103388816 A CN103388816 A CN 103388816A
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Abstract
The utility model relates to an oil field steam-injection boiler overheated steam injection system, and relates to an oil field steam-injection boiler steam injection device, which aims at solving the problems of the existing steam injection device that the overheated steam cannot be formed and injected into a thick-oil mine, the oil exploitation quantity is influenced and the energy resource is wasted. An overheating device is installed in a flue of a steam-injection boiler, a steam-water separator and a mixer are both arranged outside the steam-injection boiler, a saturation steam pipe connector of the steam-water separator is communicated with an inlet header of the overheating device through a pipeline, a saturation water outlet pipe connector of the steam-water separator is communicated with a saturation water inlet connector of the mixer through a pipeline, an adjusting valve is arranged on a pipeline communicating the saturation water outlet pipe connector and the saturation water inlet connector, and a steam-water mixture inlet pipe connector of the steam-water separator is communicated with a convection section outlet of the steam-injection boiler through a pipeline, and an outlet header of the overheating device is communicated with an overheated steam inlet of the mixer. The oil field steam-injection boiler overheated steam injection system is used for injecting steam into the thick-oil mine.
Description
Technical field
The present invention relates to a kind of uphole steam generator gas filling device, be specifically related to the overheated steam injection system of a kind of uphole steam generator, it, by arranging separator, superheater, blender, is heated to be superheated steam with water, and injecting oil well increases the producing capacity of oil.
Background technology
The energy is the of paramount importance material base of progress of human society, and oil, coal, natural gas are the main energy sources that society utilizes.Oil is one of most important energy, and the production technique of viscous crude has vital meaning in oil exploitation.
At present, the steam injection mode of employing is that employing combustion gas direct current cooker, be heated into the high temperature steam water interface with water, injects the viscous crude mine, increases oil extraction.This mode, widely apply in Xinjiang Oilfield and the Liaohe Oil Field of China.
Yet due to the restriction of mining area condition, the boiler feedwater salt content is very high, is unfavorable for the safe operation of boiler.Be subjected to this condition restriction,, for fear of the boiler salification, can only be heated into the steam water interface of mass dryness fraction below 80% to water, thereby cause injecting the shortage of heat of mine, affect oil exploitation.
This mode affects oil extraction on the one hand; On the other hand, exist the problem of energy waste.
Summary of the invention
The objective of the invention is to propose the overheated steam injection system of a kind of uphole steam generator, be used for solution and can't form superheated steam injection viscous crude mine, the steam water interface with mass dryness fraction below 80% injects mine and affects oil extraction; Cause the problem of energy waste.
The present invention in order to solve the problems of the technologies described above the technical scheme of taking is:
the overheated steam injection system of a kind of uphole steam generator of the present invention comprises injection boiler, the overheated gas filling device of described uphole steam generator also comprises superheater, blender, control valve and steam-water separator, described superheater is arranged in the flue of injection boiler, steam-water separator and blender all are arranged on the outside of injection boiler, the saturated vapor pipe joint of steam-water separator is communicated with the entrance header of superheater by pipeline, pipeline communication is passed through in the saturation water outlet pipe connection of steam-water separator and the saturation water water supply connector of blender, be provided with control valve on saturation water outlet pipe connection and pipeline that the saturation water water supply connector is communicated with, pipeline communication is passed through in the steam water interface inlet tube joint of steam-water separator and the outlet of the convection section of injection boiler, pipeline communication is passed through in the superheated steam import of the outlet header of superheater and blender, be connected with the steam injection pipe in the superheated steam outlet of blender.
Preferably: described superheater comprises entrance header, outlet header, framework and superheater bank; Described superheater bank is arranged in framework, and the arrival end of superheater bank is connected with the entrance header, and the port of export of superheater bank is connected with outlet header.
Preferably: the pipe diameter of described superheater bank is 60mm to 108mm.
Preferably: what the pipe of described superheater bank adopted is the 12Cr1MoVG compo pipe.So arrange, guarantee that the pressure drop of superheater is not more than 2MPa, in order to control the pressure drop of whole system.
Preferably: described superheater also comprises protecting jacket for thermometer, and described protecting jacket for thermometer is arranged on the port of export tube wall of superheater bank.
Preferably: described blender comprises superheated steam import, superheated steam outlet, saturation water water supply connector, mixer case, blender inner core, a plurality of support ring and atomizer; One end of described blender inner core is connected with the superheated steam import, the other end of blender inner core is connected with the superheated steam outlet, described mixer case is sleeved on the blender inner core, be provided with a plurality of support rings between mixer case and blender inner core, described saturation water water supply connector is welded on mixer case, and be communicated with mixer case, described atomizer is arranged in the saturation water water supply connector, and the ejection end of atomizer probes into to the blender inner core.
Preferably: the ejiction opening of described atomizer exports H2 towards superheated steam.
Preferably: the external diameter of described mixer case is 273mm or 325mm or 425mm.
Preferably: what described mixer case adopted is the 12Cr1MoVG compo pipe.
Preferably: what described atomizer adopted is the nozzle of the 12Cr1MoV material of forging.
Preferably: steam-water separator comprises Membrane Separator Cylinder for CFB Boiler, at least two separator inlet pipe joints, separator saturated vapor pipe joint, separator saturation water pipe joint, equalizing reservoir, safety valve, four cyclonic separator, four vertical corrugated plating separators and inclined wave card separator;
be communicated with and be provided with at least two separator inlet pipe joints on the outer wall of described Membrane Separator Cylinder for CFB Boiler middle part, each separator inlet pipe joint all with the Membrane Separator Cylinder for CFB Boiler arranged tangential, the top connection of described Membrane Separator Cylinder for CFB Boiler is provided with separator saturated vapor pipe joint, the bottom connection of Membrane Separator Cylinder for CFB Boiler is provided with separator saturation water pipe joint, also be provided with safety valve and equalizing reservoir on the external wall of upper portion of described Membrane Separator Cylinder for CFB Boiler, cyclonic separator, vertical corrugated plating separator and inclined wave card separator are successively set on the upper inside wall of Membrane Separator Cylinder for CFB Boiler from the bottom to top, four cyclonic separator and four equal horizontal annular arrays of vertical corrugated plating separator arrange.
preferably: described cyclonic separator comprises blade, fuse, inner sleeve, the vapor collection pipe joint, outer sleeve, adjust fixedly round steel of bolt and at least two at least two, described blade and fuse are arranged on the inside of inner sleeve, blade is fixedly mounted on fuse, described outer sleeve is enclosed within the inner sleeve outside, the upper limb of outer sleeve is higher than the upper limb of inner sleeve, the lower edge of outer sleeve is higher than the lower edge of inner sleeve, the upper end of described vapor collection pipe joint is fixedly connected with the upper limb of outer sleeve, the lower end of vapor collection pipe joint is visited to inner sleeve, the top of described inner sleeve is adjusted bolt by at least two and is connected with outer sleeve, the bottom of inner sleeve by at least two fixedly round steel be connected with outer sleeve.
Preferably: described vertical corrugated plating separator comprises the first annular roof plate, annular bottom plate, junction steel plate and a plurality of the first corrugated sheet, described the first annular roof plate and annular bottom plate are the one-sided flat annular slab that mills, coaxial being arranged in parallel of the first annular roof plate and annular bottom plate up and down, the flat side of milling of the first annular roof plate is connected by junction steel plate with the flat side of milling of annular bottom plate, vertically is provided with a plurality of the first corrugated sheets between the first annular roof plate and annular bottom plate.
Preferably: described inclined wave card separator comprises the first base plate, the second annular roof plate, a plurality of Second Wave card and two side plates, coaxial being arranged in parallel of described the second annular roof plate and the first base plate up and down, and the external diameter of the first base plate is less than the external diameter of the second annular roof plate, two side plates are the herringbone setting, the upper end of side plate is connected with the second annular roof plate, the lower end of side plate is connected with the first base plate, vertically is provided with a plurality of Second Wave cards between described the first base plate, the second annular roof plate and two side plates.
preferably: described steam-water separator also comprises the first despinner and the second despinner, described the first despinner and the second despinner are arranged in Membrane Separator Cylinder for CFB Boiler from top to bottom, and the first despinner is positioned at the middle and lower part of Membrane Separator Cylinder for CFB Boiler, the second despinner is positioned at the bottom of Membrane Separator Cylinder for CFB Boiler, described the first despinner comprises upper steel plate, lower steel plate, annular side plate and cross connecting plate, described upper steel plate and lower steel plate be arranged in parallel up and down, all have a plurality of holes on upper steel plate and lower steel plate, a plurality of holes circular array, be connected with the cross connecting plate between upper steel plate and lower steel plate, annular side plate is arranged on the periphery of cross connecting plate, and annular side plate is positioned at the middle part of cross connecting plate, described the second despinner comprises plectane and two T font racemization plates, described two T font racemization plate right-angled intersections arrange, plectane is fixed on the upper end of two T font racemization plates, and the lower edge of two T font racemization plate transverse slats is circular arc, and the bottom interior wall of its radian and Membrane Separator Cylinder for CFB Boiler is coincide.
The present invention compared with prior art has following effect: the present invention is by the effect of steam-water separator, make the saturated vapor that enters into superheater carry the salt amount in allowed band on the one hand, superheater pipe not salification of inside in further being heated process, with the security of operation that guarantees superheater and boiler and stable.On the other hand, saturation water mixes and together injects the viscous crude mine with superheated steam in blender, saturation water heat 100% is utilized, and eliminates the drawback of energy waste.
Adopt steam-water separator, the steam water interface inlet tube joint by arranged tangential enters into steam-water separator inside to mass dryness fraction at the steam water interface below 70%, by the separator effect, is separated into mass dryness fraction greater than 98% saturated vapor and saturation water.At this moment, because the fused salt ability of steam is little, carrying the salt amount and can ignoring of saturated vapor, after saturated vapor enters into superheater, can not cause the superheater salification.
Adopt superheater, saturated vapor enters into superheater and is heated to form superheated steam, makes the steam that is injected into the viscous crude mine have higher heat, can effectively increase oil extraction.
Adopt blender and control valve, by control valve, control and can make saturation water 100% mix and enter into smoothly mine with superheated steam in blender, take full advantage of heat, increase oil extraction.
The present invention has avoided the boiler heating surface salification, and boiler can steady in a long-term move; Increased oil extraction.
Description of drawings
Fig. 1 is the front view of steam-water separator of the present invention;
Fig. 2 is the top view (having removed equalizing reservoir, water-level gauge and safety valve) of Fig. 1;
Fig. 3 is the internal structure sketch of steam-water separator of the present invention;
Fig. 4 is overall structure master's cutaway view of steam-water separator of the present invention;
Fig. 5 is the A-A cutaway view of Fig. 4;
Fig. 6 is the B-B cutaway view of Fig. 4;
Fig. 7 is the C-C cutaway view of Fig. 4;
Fig. 8 is the front view of cyclonic separator;
Fig. 9 is the top view of Fig. 8;
Figure 10 is the D-D cutaway view of Fig. 9;
Figure 11 is the front view of vertical corrugated plating separator;
Figure 12 is the top view of Figure 11;
Figure 13 is the E-E cutaway view of Figure 12;
Figure 14 is that the F of Figure 13 is to view;
Figure 15 is the front view of inclined wave card separator;
Figure 16 is the top view of Figure 15;
Figure 17 is the left view of Figure 15;
Figure 18 is the I place partial enlarged drawing of Figure 17;
Figure 19 is the front view of the first despinner;
Figure 20 is the top view of Figure 19;
Figure 21 is the front view of the second despinner;
Figure 22 is the top view of Figure 21.
Figure 23 is the structure chart of the overheated steam injection system of a kind of uphole steam generator of the present invention;
Figure 24 is the front view of superheater;
Figure 25 is the front view after superheater is removed framework;
Figure 26 is the main cutaway view of blender;
Figure 27 is the M place enlarged drawing of Figure 26;
Figure 28 is the N place enlarged drawing of Figure 26.
in figure: the Q-injection boiler, the outlet of Q1-convection section, the R-superheater, R1-entrance header, the R2-outlet header, the R3-framework, the R4-superheater bank, the R5-protecting jacket for thermometer, the H-blender, the import of H1-superheated steam, the outlet of H2-superheated steam, the water supply connector of H3-saturation water, the H4-mixer case, H5-blender inner core, the H6-support ring, the H7-atomizer, the P-steam-water separator, the T control valve, the 1-Membrane Separator Cylinder for CFB Boiler, 2-separator inlet pipe joint, 3-separator saturated vapor pipe joint, 4-separator saturation water pipe joint, the 5-equalizing reservoir, the 6-safety valve, the 7-water-level gauge, the 8-cyclonic separator, the vertical corrugated plating separator of 9-, 10-inclined wave card separator, 11-the first despinner, 12-the second despinner, the 81-blade, the 82-fuse, the 83-inner sleeve, 84-vapor collection pipe joint, the 85-outer sleeve, 86-adjusts bolt, 87-is round steel fixedly, the 88-hanger, 91-the first annular roof plate, the 92-annular bottom plate, the 93-junction steel plate, 94-the first corrugated sheet, 95-the first projection, 101-the first base plate, 102-the second annular roof plate, 103-Second Wave card, the 104-side plate, 105-the second projection, the 106-angle steel, the 111-upper steel plate, the 112-lower steel plate, the 113-annular side plate, 114-cross connecting plate, the 121-plectane, 122-T font racemization plate.
The specific embodiment
Below elaborate with reference to the accompanying drawings the preferred embodiment of the present invention.
the overheated steam injection system of described a kind of uphole steam generator comprises injection boiler Q, the overheated gas filling device of described uphole steam generator also comprises superheater R, blender H, control valve T and steam-water separator P, described superheater R is arranged in the flue of injection boiler Q, steam-water separator P and blender H all are arranged on the outside of injection boiler Q, the saturated vapor pipe joint 3 of steam-water separator P is communicated with the entrance header R1 of superheater R by pipeline, the saturation water outlet pipe connection 4 of steam-water separator P passes through pipeline communication with the saturation water water supply connector H3 of blender H, be provided with control valve T on saturation water outlet pipe connection 4 and pipeline that saturation water water supply connector H3 is communicated with, the steam water interface inlet tube joint 2 of steam-water separator P passes through pipeline communication with the convection section outlet Q1 of injection boiler Q, the superheated steam import H1 of the outlet header R2 of superheater R and blender H passes through pipeline communication, be connected with the steam injection pipe on the superheated steam outlet H2 of blender H.
During the injection boiler operation, water in evaporator section, convection section is heated to mass dryness fraction to be entered in steam-water separator less than 80% unsaturated steam, be separated into saturated vapor and saturation water under the effect of steam-water separator, saturated vapor is drawn and is entered into superheater on steam-water separator top, is heated to form the superheated steam more than 400 ℃ in superheater; Simultaneously, the saturation water that separates is drawn under the control of control valve and is entered blender from the steam-water separator bottom; Superheated steam in blender more than 400 and saturation water mix, and form higher than the superheated steam of saturation temperature more than 10 ℃, inject finally the viscous crude mine.
Further: described superheater R comprises entrance header R1, outlet header R2, framework R3 and superheater bank R4; Described superheater bank R4 is arranged in framework R3, and the arrival end of superheater bank R4 is connected with entrance header R1, and the port of export of superheater bank R4 is connected with outlet header R2.
Further: the pipe diameter of described superheater bank R4 is 60mm to 108mm.
Further: what the pipe of described superheater bank R4 adopted is the 12Cr1MoVG compo pipe.So arrange, guarantee that the pressure drop of superheater is not more than 2MPa, in order to control the pressure drop of whole system.
Further: described superheater R also comprises protecting jacket for thermometer R5, and described protecting jacket for thermometer R5 is arranged on the port of export tube wall of superheater bank R4.
Further: described blender H comprises superheated steam import H1, superheated steam outlet H2, saturation water water supply connector H3, mixer case H4, blender inner core H5, a plurality of support ring H6 and atomizer H7; The end of described blender inner core H5 is connected with superheated steam import H1, the other end of blender inner core H5 is connected with superheated steam outlet H2, described mixer case H4 is sleeved on blender inner core H5, be provided with a plurality of support ring H6 between mixer case H4 and blender inner core H5, described saturation water water supply connector H3 is welded on mixer case H4, and H4 is communicated with mixer case, described atomizer H7 is arranged in saturation water water supply connector H3, and the ejection end of atomizer H7 probes into to blender inner core H5.
Further: the ejiction opening of described atomizer H7 exports H2 towards superheated steam.
Further: the external diameter of described mixer case H4 is 273mm or 325mm or 425mm.
Further: what described mixer case H4 adopted is the 12Cr1MoVG compo pipe.
Further: what described atomizer H7 adopted is the nozzle of the 12Cr1MoV material of forging.
Further: steam-water separator P comprises Membrane Separator Cylinder for CFB Boiler 1, at least two separator inlet pipe joints 2, separator saturated vapor pipe joint 3, separator saturation water pipe joint 4, equalizing reservoir 5, safety valve 6, four cyclonic separator 8, four vertical corrugated plating separators 9 and inclined wave card separator 10;
be communicated with and be provided with at least two separator inlet pipe joints 2 on described Membrane Separator Cylinder for CFB Boiler 1 middle part outer wall, each separator inlet pipe joint 2 all with Membrane Separator Cylinder for CFB Boiler 1 arranged tangential, the top connection of described Membrane Separator Cylinder for CFB Boiler 1 is provided with separator saturated vapor pipe joint 3, the bottom connection of Membrane Separator Cylinder for CFB Boiler 1 is provided with separator saturation water pipe joint 4, also be provided with safety valve 6 and equalizing reservoir 5 on the external wall of upper portion of described Membrane Separator Cylinder for CFB Boiler 1, cyclonic separator 8, vertical corrugated plating separator 9 and inclined wave card separator 10 are successively set on the upper inside wall of Membrane Separator Cylinder for CFB Boiler 1 from the bottom to top, four cyclonic separator 8 and four equal horizontal annular arrays of vertical corrugated plating separator 9 arrange.
further: described cyclonic separator 8 comprises blade 81, fuse 82, inner sleeve 83, vapor collection pipe joint 84, outer sleeve 85, adjust fixedly round steel 87 of bolt 86 and at least two at least two, described blade 81 and fuse 82 are arranged on the inside of inner sleeve 83, blade 81 is fixedly mounted on fuse 82, described outer sleeve 85 is enclosed within inner sleeve 83 outsides, the upper limb of outer sleeve 85 is higher than the upper limb of inner sleeve 83, the lower edge of outer sleeve 85 is higher than the lower edge of inner sleeve 83, the upper end of described vapor collection pipe joint 84 is fixedly connected with the upper limb of outer sleeve 85, the lower end of vapor collection pipe joint 84 is visited to inner sleeve 83, the top of described inner sleeve 83 is adjusted bolt 86 by at least two and is connected with outer sleeve 85, the bottom of inner sleeve 83 by at least two fixedly round steel 87 be connected with outer sleeve 85.
Further: adjust bolt 86 and fixedly the quantity of round steel 87 be four, adjust bolt 86 and fixedly round steel 87 annular arrays in the periphery of inner sleeve 83.
Further: described cyclonic separator 8 also comprises hanger 88, and described hanger 88 is arranged on the outer wall of outer sleeve 85.So arrange, be convenient to installation and removal.
Further: described vertical corrugated plating separator 9 comprises the first annular roof plate 91, annular bottom plate 92, junction steel plate 93 and a plurality of the first corrugated sheet 94, described the first annular roof plate 91 and annular bottom plate 92 are the one-sided flat annular slab that mills, the first annular roof plate 91 and annular bottom plate coaxial being arranged in parallel Shang Xia 92, the flat side of milling of the first annular roof plate 91 is connected by junction steel plate 93 with the flat side of milling of annular bottom plate 92, vertically is provided with a plurality of the first corrugated sheets 94 between the first annular roof plate 91 and annular bottom plate 92.
Further: be provided with a plurality of the first installing holes on the first annular roof plate 91 of described vertical corrugated plating separator 9 and annular bottom plate 92, the top and bottom of each the first corrugated sheet 94 are provided with the first projection 95, the first projection 95 is inserted in corresponding the first installing hole, and the first protruding 95 roll extrusion are fixed on the first annular roof plate 91 or on annular bottom plate 92.
further: described inclined wave card separator 10 comprises the first base plate 101, the second annular roof plate 102, a plurality of Second Wave cards 103 and two side plates 104, described the second annular roof plate 102 and the first base plate coaxial being arranged in parallel Shang Xia 101, and the external diameter of the first base plate 101 is less than the external diameter of the second annular roof plate 102, two side plates 104 are the herringbone setting, the upper end of side plate 104 is connected with the second annular roof plate 102, the lower end of side plate 104 is connected with the first base plate 101, described the first base plate 101, vertically be provided with a plurality of Second Wave cards 103 between the second annular roof plate 102 and two side plates 104.
Further: be provided with a plurality of the second installing holes on the first base plate 101 that described inclined wave card separator 10 comprises and the second annular roof plate 102, the top and bottom of each Second Wave card 103 are provided with the second projection 105, the second projection 105 is inserted in corresponding the second installing hole, and the second protruding 105 roll extrusion are fixed on the first base plate 101 or on the second annular roof plate 102.
Further: described inclined wave card separator 10 also comprises that 106, three angle steel of three angle steel 106 form triangle and are welded on the second annular roof plate 102.So arrange, play the effect of strengthening structure.
Further: described steam-water separator P also comprises water-level gauge 7, and water-level gauge 7 is arranged on Membrane Separator Cylinder for CFB Boiler 1 lower outside, and water-level gauge 7 is by being communicated with Membrane Separator Cylinder for CFB Boiler 1 two communicating pipes.Water-level gauge for monitoring and controlling water level.
Further: described steam-water separator P also comprises the first despinner 11 and the second despinner 12; Described the first despinner 11 and the second despinner 12 from top to bottom are arranged in Membrane Separator Cylinder for CFB Boiler 1, and the first despinner 11 is positioned at the middle and lower part of Membrane Separator Cylinder for CFB Boiler 1, and the second despinner 12 is positioned at the bottom of Membrane Separator Cylinder for CFB Boiler 1.
Further: described the first despinner 11 comprises upper steel plate 111, lower steel plate 112, annular side plate 113 and cross connecting plate 114, described upper steel plate 111 and lower steel plate 112 be arranged in parallel up and down, all have a plurality of holes on upper steel plate 111 and lower steel plate 112, a plurality of holes circular array, be connected with cross connecting plate 114 between upper steel plate 111 and lower steel plate 112, annular side plate 113 is arranged on the periphery of cross connecting plate 114, and annular side plate 113 is positioned at the middle part of cross connecting plate 114.
Further: described the second despinner 12 comprises plectane 121 and two T font racemization plates 122, the 122 right-angled intersection settings of described two T font racemization plates, plectane 121 is fixed on the upper end of two T font racemization plates 122, the lower edge of two T font racemization plate 122 transverse slats is circular arc, and the bottom interior wall of its radian and Membrane Separator Cylinder for CFB Boiler 1 is coincide.
Present embodiment, just to the exemplary illustration of this patent, does not limit its protection domain, and those skilled in the art can also change its part, as long as no the Spirit Essence that exceeds this patent, all in the protection domain of this patent.
Claims (10)
1. overheated steam injection system of uphole steam generator, it comprises injection boiler (Q), it is characterized in that: the overheated gas filling device of described uphole steam generator also comprises superheater (R), blender (H), control valve (T) and steam-water separator (P), described superheater (R) is arranged in the flue of injection boiler (Q), steam-water separator (P) and blender (H) all are arranged on the outside of injection boiler (Q), the saturated vapor pipe joint (3) of steam-water separator (P) is communicated with the entrance header (R1) of superheater (R) by pipeline, the saturation water outlet pipe connection (4) of steam-water separator (P) passes through pipeline communication with the saturation water water supply connector (H3) of blender (H), be provided with control valve (T) on saturation water outlet pipe connection (4) and pipeline that saturation water water supply connector (H3) is communicated with, the steam water interface inlet tube joint (2) of steam-water separator (P) passes through pipeline communication with the convection section of injection boiler (Q) outlet (Q1), the outlet header (R2) of superheater (R) passes through pipeline communication with the superheated steam import (H1) of blender (H), be connected with the steam injection pipe in the superheated steam outlet (H2) of blender (H).
2. the overheated steam injection system of a kind of uphole steam generator according to claim 1, it is characterized in that: described superheater (R) comprises entrance header (R1), outlet header (R2), framework (R3) and superheater bank (R4); Described superheater bank (R4) is arranged in framework (R3), and the arrival end of superheater bank (R4) is connected with entrance header (R1), and the port of export of superheater bank (R4) is connected with outlet header (R2).
3. the overheated steam injection system of a kind of uphole steam generator according to claim 2, it is characterized in that: the pipe diameter of described superheater bank (R4) is 60mm to 108mm, what the pipe of described superheater bank (R4) adopted is the 12Cr1MoVG compo pipe.
4. according to claim 2 or 3 overheated steam injection systems of described a kind of uphole steam generator; it is characterized in that: described superheater (R) also comprises protecting jacket for thermometer (R5), and described protecting jacket for thermometer (R5) is arranged on the port of export tube wall of superheater bank (R4).
5. the overheated steam injection system of a kind of uphole steam generator according to claim 1 and 2 is characterized in that: described blender (H) comprises superheated steam import (H1), superheated steam outlet (H2), saturation water water supply connector (H3), mixer case (H4), blender inner core (H5), a plurality of support ring (H6) and atomizer (H7), one end of described blender inner core (H5) is connected with superheated steam import (H1), the other end of blender inner core (H5) is connected with superheated steam outlet (H2), described mixer case (H4) is sleeved on blender inner core (H5), be provided with a plurality of support rings (H6) between mixer case (H4) and blender inner core (H5), described saturation water water supply connector (H3) is welded on mixer case (H4), and (H4) is communicated with mixer case, described atomizer (H7) is arranged in saturation water water supply connector (H3), and the ejection end of atomizer (H7) probes into to blender inner core (H5).
6. the overheated steam injection system of a kind of uphole steam generator according to claim 5, it is characterized in that: the ejiction opening of described atomizer (H7) is towards superheated steam outlet (H2), the external diameter of described mixer case (H4) is 273mm or 325mm or 425mm, and what described mixer case (H4) adopted is the 12Cr1MoVG compo pipe; What described atomizer (H7) adopted is the nozzle of the 12Cr1MoV material of forging.
7. the overheated steam injection system of a kind of uphole steam generator according to claim 1, it is characterized in that: steam-water separator (P) comprises Membrane Separator Cylinder for CFB Boiler (1), at least two separator inlet pipe joints (2), separator saturated vapor pipe joint (3), separator saturation water pipe joint (4), equalizing reservoir (5), safety valve (6), four cyclonic separator (8), four vertical corrugated plating separators (9) and inclined wave card separator (10);
be communicated with and be provided with at least two separator inlet pipe joints (2) on the outer wall of described Membrane Separator Cylinder for CFB Boiler (1) middle part, each separator inlet pipe joint (2) all with Membrane Separator Cylinder for CFB Boiler (1) arranged tangential, the top connection of described Membrane Separator Cylinder for CFB Boiler (1) is provided with separator saturated vapor pipe joint (3), the bottom connection of Membrane Separator Cylinder for CFB Boiler (1) is provided with separator saturation water pipe joint (4), also be provided with safety valve (6) and equalizing reservoir (5) on the external wall of upper portion of described Membrane Separator Cylinder for CFB Boiler (1), cyclonic separator (8), vertical corrugated plating separator (9) and inclined wave card separator (10) are successively set on the upper inside wall of Membrane Separator Cylinder for CFB Boiler (1) from the bottom to top, four cyclonic separator (8) and four vertical corrugated plating separators (9) all horizontal annular array arrange.
8. the overheated steam injection system of a kind of uphole steam generator according to claim 7, it is characterized in that: described cyclonic separator (8) comprises blade (81), fuse (82), inner sleeve (83), vapor collection pipe joint (84), outer sleeve (85), adjust fixedly round steel (87) of bolt (86) and at least two at least two, described blade (81) and fuse (82) are arranged on the inside of inner sleeve (83), blade (81) is fixedly mounted on fuse (82), described outer sleeve (85) is enclosed within inner sleeve (83) outside, the upper limb of outer sleeve (85) is higher than the upper limb of inner sleeve (83), the lower edge of outer sleeve (85) is higher than the lower edge of inner sleeve (83), the upper end of described vapor collection pipe joint (84) is fixedly connected with the upper limb of outer sleeve (85), the lower end of vapor collection pipe joint (84) is visited to inner sleeve (83), the top of described inner sleeve (83) is adjusted bolt (86) by at least two and is connected with outer sleeve (85), the bottom of inner sleeve (83) by at least two fixedly round steel (87) be connected with outer sleeve (85).
9. the overheated steam injection system of a kind of uphole steam generator according to claim 8, it is characterized in that: described vertical corrugated plating separator (9) comprises the first annular roof plate (91), annular bottom plate (92), junction steel plate (93) and a plurality of the first corrugated sheet (94), described the first annular roof plate (91) and annular bottom plate (92) are the one-sided flat annular slab that mills, coaxial being arranged in parallel of the first annular roof plate (91) and annular bottom plate (92) up and down, the flat side of milling of the first annular roof plate (91) is connected by junction steel plate (93) with the flat side of milling of annular bottom plate (92), vertically be provided with a plurality of the first corrugated sheets (94) between the first annular roof plate (91) and annular bottom plate (92), described inclined wave card separator (10) comprises the first base plate (101), the second annular roof plate (102), a plurality of Second Wave cards (103) and two side plates (104), coaxial being arranged in parallel of described the second annular roof plate (102) and the first base plate (101) up and down, and the external diameter of the first base plate (101) is less than the external diameter of the second annular roof plate (102), two side plates (104) are the herringbone setting, the upper end of side plate (104) is connected with the second annular roof plate (102), the lower end of side plate (104) is connected with the first base plate (101), described the first base plate (101), vertically be provided with a plurality of Second Wave cards (103) between the second annular roof plate (102) and two side plates (104).
10. the overheated steam injection system of a kind of uphole steam generator according to claim 9, it is characterized in that: described steam-water separator (P) also comprises the first despinner (11) and the second despinner (12), described the first despinner (11) and the second despinner (12) from top to bottom are arranged in Membrane Separator Cylinder for CFB Boiler (1), and the first despinner (11) is positioned at the middle and lower part of Membrane Separator Cylinder for CFB Boiler (1), the second despinner (12) is positioned at the bottom of Membrane Separator Cylinder for CFB Boiler (1), described the first despinner (11) comprises upper steel plate (111), lower steel plate (112), annular side plate (113) and cross connecting plate (114), described upper steel plate (111) and lower steel plate (112) be arranged in parallel up and down, all have a plurality of holes on upper steel plate (111) and lower steel plate (112), a plurality of holes circular array, be connected with cross connecting plate (114) between upper steel plate (111) and lower steel plate (112), annular side plate (113) is arranged on the periphery of cross connecting plate (114), and annular side plate (113) is positioned at the middle part of cross connecting plate (114), described the second despinner (12) comprises plectane (121) and two T font racemization plates (122), described two T font racemization plates (122) right-angled intersection setting, plectane (121) is fixed on the upper end of two T font racemization plates (122), the lower edge of two T font racemization plates (122) transverse slat is circular arc, and the bottom interior wall of its radian and Membrane Separator Cylinder for CFB Boiler (1) is coincide.
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| CN112343553B (en) * | 2020-10-28 | 2022-09-02 | 中海石油(中国)有限公司 | Offshore thick oil steam injection overpressure protection system |
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